code: def original_layer_class():
      return MobileBertLayer
  
file_path: parallelformers/parallelformers/policies/mobilebert.py
imports: from transformers.models.mobilebert.modeling_mobilebert import MobileBertLayer
  from parallelformers.policies.base import Layer, Policy
  from parallelformers.utils import AllReduceLinear
label_desc: Use image node_id 6 for calling the MobileBertPolicy obj's underlying member method code with example usage: obj.original_layer_class() and returns: MobileBertLayer